/**
 * @typedef {"year" | "years" | "quarter" | "quarters" | "month" | "months" | "week" | "weeks" | "day" | "days" | "hour" | "hours" | "minute" | "minutes" | "second" | "seconds"} RelativeTimeFormatUnit
 */
/**
 * @param {import("./runtime.js").Locale} locale
 * @param {unknown} input
 * @param {Intl.PluralRulesOptions} [options]
 * @returns {string}
 */
export function plural(
	locale: import("./runtime.js").Locale,
	input: unknown,
	options?: Intl.PluralRulesOptions,
): string;
/**
 * @param {import("./runtime.js").Locale} locale
 * @param {unknown} input
 * @param {Intl.NumberFormatOptions} [options]
 * @returns {string}
 */
export function number(
	locale: import("./runtime.js").Locale,
	input: unknown,
	options?: Intl.NumberFormatOptions,
): string;
/**
 * @param {import("./runtime.js").Locale} locale
 * @param {unknown} input
 * @param {Intl.DateTimeFormatOptions} [options]
 * @returns {string}
 */
export function datetime(
	locale: import("./runtime.js").Locale,
	input: unknown,
	options?: Intl.DateTimeFormatOptions,
): string;
/**
 * @param {import("./runtime.js").Locale} locale
 * @param {unknown} input
 * @param {Intl.RelativeTimeFormatOptions & { unit: RelativeTimeFormatUnit }} options
 * @returns {string}
 */
export function relativetime(
	locale: import("./runtime.js").Locale,
	input: unknown,
	options: Intl.RelativeTimeFormatOptions & {
		unit: RelativeTimeFormatUnit;
	},
): string;
export type RelativeTimeFormatUnit =
	| "year"
	| "years"
	| "quarter"
	| "quarters"
	| "month"
	| "months"
	| "week"
	| "weeks"
	| "day"
	| "days"
	| "hour"
	| "hours"
	| "minute"
	| "minutes"
	| "second"
	| "seconds";